A1 | ISLANDMUSCHEL 400
With a bit of luck, one can find on our beaches an inconspicuous shell of the Icelandic cyprine. Who would have thought that this mussel could become more than 400 years old. Therewith, it ranks among the animals with the highest lfe expectancy.
A2 | AERONAUT
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B1 | DER TANZ DER GLUEHWUERMCHEN
Since female fireflies don't have any wings and a wormlike shape, they were also called glow worm in the colloquial language. Fireflies are able to produce a cold, greenish light, the so called bioluminescence, with their hindquarters. They deploy that luminescence to congregate for the copulation.
B2 | WENN ES PERLEN REGNET
On the leafs of some plant species, the rain drips off gorgeously. The reason of that is a special, uneven surface structure, which prevents, that the drops could grip at the leafs. Therefore, dirt and germs haven't got any chance and will be completely washed away.

C1 | DIE 3 MILLIONEN MUSKETIERE
All for each and each for all! A sole ant isn't able to do great exploits. Due to the genius, self-organized state made of millions of ants, an amazing, collective intelligence is formed, which f.e. is able to design constructions perfectly.
C2 | H2O
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D1 | TEDDY TAUSENDTOD
The tiny little water bear/tardigrade looks like clumsy Mini-Teddys, from there is the name. If they dry out, there is only a clinically dead shell remaining. But after several years without any food, one drop of water suffices to recall them back to life!
D2 | DAS NEUNAUGE
The lamprey is 500 millions years old and therefore the oldest vertebrate alive. His name (in german he's called "neunauge", in english that means nine eyes) comes from his looks. The seven branchial clefts, the nostril and the eye seem together like nine eyes. This primeval being spends the first five years of his life in a wormlike state. After that, it promptly transforms itself within three weeks to a complete fish.